From fb9223c6c3fe0e9d70c313ea28129b1208e110f5 Mon Sep 17 00:00:00 2001
From: daboe01 <daboe01@googlemail.com>
Date: Sat, 25 Feb 2023 21:30:42 +0100
Subject: [PATCH] fixed: poor user experience when entering dates that are too
 high for the current month

---
 AppKit/CPDatePicker/_CPDatePickerElementTextField.j | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/AppKit/CPDatePicker/_CPDatePickerElementTextField.j b/AppKit/CPDatePicker/_CPDatePickerElementTextField.j
index 012a7a81a..e5f20a711 100644
--- a/AppKit/CPDatePicker/_CPDatePickerElementTextField.j
+++ b/AppKit/CPDatePicker/_CPDatePickerElementTextField.j
@@ -385,6 +385,18 @@ CPAMPMDateType = 6;
                 return;
             }
 
+            // if we enter a day that is too high for the current month
+            // we need to increase the month by one
+            // if we do not do this, the user input woul be silently reset
+            // very poor user experience
+
+            if (parseInt(anObjectValue, 10) > [dateValue _daysInMonth])
+            {
+                [_datePickerElementView._textFieldMonth setIntValue:(dateValue.getMonth() + 2)];
+                [super setObjectValue:objectValue];
+                return;
+            }
+
             [super setObjectValue:objectValue];
             break;